6 - 1.00 x 16mm Indented Hex Head: 10mm Outside Diameter Loose Washer: 18.5mm Zinc and Yellow Finish Metric Body Bolts Compare with: Auveco #12064, G.M. # 11503812, Disco # 10097PK, 10097B, Crest / Midwest # CRX7504, Kent / Lawson # P52307, Winzer # 503.1206